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Diesel Exhaust Fluid, known for short as DEF, is a precious commodity to anyone running diesel-powered vehicles these days. Ever since 1970, when the Clean Air Act went into effect in the United States, the Environmental Protection Agency (EPA) has taken multiple measures to regulate exhaust from a myriad of vehicles. However, it wasn’t until 1990 that the EPA started mandating diesel exhaust specifically.

DEF: 1990 and Beyond

Since the inception of the EPA’s restrictions on diesel exhaust, DEF (Diesel Exhaust Fluid) has become all the more important. Emission standards have become more and more restrictive over the last two decades, and today, diesel exhaust restrictions are applicable to all on-road and off-road vehicles.

With these new restrictions in place, Selective Catalytic Reduction (SCR) systems are required to run diesel engines on any vehicle, whether a truck, a backhoe, or a combine. Eventually, these restrictions will also be enforced on water vessels. Essentially, with the EPA’s mandate in place, every diesel engine will eventually have to run a SCR, except for those built before the new regulations were in place.

Since SCR are a requirement of the present and future, DEF becomes nearly as essential as the fuel itself. And with DEF being as important as it is, it becomes imperative that you know how to properly store and care for it. DEF maintenance includes, but isn’t limited to:

How to use it

How to care for it

How to protect it

The challenges associate with DEF

Knowing the government regulations associated with it

You can learn more about all these matters and then some by downloading our free e-book through the link below.

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